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Pushbuttons
Absolutely Eric,
There were mechanical pushbuttons on radios both home and automobiles starting in the 30's as well as on some pre-war tv tuners. Also motorized tuning on radios and tv also from the 30's into at least the 50's. I liked those old "Wonderbar" radio tuners on the GM cars. Buick even had a button on the floor like a dimmer switch that let you tune the radio with your foot. But I guess that's for another Forum.
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